Columbia 93 2009-2010 Calendar https://columbia93.tandem.co/ Key dates for Columbia 93. en-us 8/19/09 - 8/21/09 Collaboration Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=43 43-columbia93@intand.com 8/19/09 - 8/21/09 Pre-school Workshops and Planning Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=36 36-columbia93@intand.com 8/19/09 - 8/21/09 Pre-school Workshops and Planning Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=35 35-columbia93@intand.com 8/24/09 Early Dismissal for teacher collaboration https://columbia93.tandem.co/index.php?type=key_date&action=details&id=53 53-columbia93@intand.com 9/7/09 Labor Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=18 18-columbia93@intand.com 9/25/09 Collaboration Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=44 44-columbia93@intand.com 9/25/09 District Teachers’ Meeting https://columbia93.tandem.co/index.php?type=key_date&action=details&id=41 41-columbia93@intand.com 10/12/09 Columbus Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=19 19-columbia93@intand.com 10/31/09 Halloween https://columbia93.tandem.co/index.php?type=key_date&action=details&id=20 20-columbia93@intand.com 11/1/09 Daylight Saving Time Ends https://columbia93.tandem.co/index.php?type=key_date&action=details&id=22 22-columbia93@intand.com 11/3/09 Collaboration Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=45 45-columbia93@intand.com 11/3/09 Teachers’ Workdays https://columbia93.tandem.co/index.php?type=key_date&action=details&id=42 42-columbia93@intand.com 11/11/09 Veteran's Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=21 21-columbia93@intand.com 11/13/09 Elem/Middle Parent-Teacher conference Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=39 39-columbia93@intand.com 11/25/09 - 11/27/09 Thanksgiving Vacation https://columbia93.tandem.co/index.php?type=key_date&action=details&id=47 47-columbia93@intand.com 11/26/09 Thanksgiving https://columbia93.tandem.co/index.php?type=key_date&action=details&id=23 23-columbia93@intand.com 12/21/09 Pre-school Workshops and Planning Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=37 37-columbia93@intand.com 12/21/09 Teachers’ Workdays https://columbia93.tandem.co/index.php?type=key_date&action=details&id=49 49-columbia93@intand.com 12/22/09 - 1/1/10 Winter Recess https://columbia93.tandem.co/index.php?type=key_date&action=details&id=48 48-columbia93@intand.com 12/25/09 Christmas Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=24 24-columbia93@intand.com 1/1/10 New Year's Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=25 25-columbia93@intand.com 1/18/10 Martin Luther King Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=26 26-columbia93@intand.com 2/14/10 Valentine's Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=27 27-columbia93@intand.com 2/15/10 President's Day Holiday https://columbia93.tandem.co/index.php?type=key_date&action=details&id=28 28-columbia93@intand.com 2/26/10 Elem/Middle Parent-Teacher conference Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=40 40-columbia93@intand.com 2/26/10 Teachers’ Workdays https://columbia93.tandem.co/index.php?type=key_date&action=details&id=50 50-columbia93@intand.com 3/14/10 Daylight Saving Time Begins https://columbia93.tandem.co/index.php?type=key_date&action=details&id=29 29-columbia93@intand.com 3/17/10 St. Patrick's Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=30 30-columbia93@intand.com 3/29/10 - 4/2/10 Spring Recess https://columbia93.tandem.co/index.php?type=key_date&action=details&id=51 51-columbia93@intand.com 4/4/10 Easter https://columbia93.tandem.co/index.php?type=key_date&action=details&id=31 31-columbia93@intand.com 5/5/10 Cinco De Mayo https://columbia93.tandem.co/index.php?type=key_date&action=details&id=32 32-columbia93@intand.com 5/21/10 Collaboration Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=46 46-columbia93@intand.com 5/21/10 Pre-school Workshops and Planning Days https://columbia93.tandem.co/index.php?type=key_date&action=details&id=38 38-columbia93@intand.com 5/31/10 Memorial Day Holiday https://columbia93.tandem.co/index.php?type=key_date&action=details&id=33 33-columbia93@intand.com 6/9/10 Closing Day of School, Early Dismissal for teacher collaboration https://columbia93.tandem.co/index.php?type=key_date&action=details&id=52 52-columbia93@intand.com 6/14/10 Summer School Begins https://columbia93.tandem.co/index.php?type=key_date&action=details&id=55 55-columbia93@intand.com 7/4/10 Independence Day https://columbia93.tandem.co/index.php?type=key_date&action=details&id=34 34-columbia93@intand.com 7/5/10 Independence Day Holiday https://columbia93.tandem.co/index.php?type=key_date&action=details&id=54 54-columbia93@intand.com 7/16/10 Summer School Ends https://columbia93.tandem.co/index.php?type=key_date&action=details&id=56 56-columbia93@intand.com